From ded54cb8608ac277a7fbf9d8ff1825bbb25c650a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 23 May 2013 02:14:07 +0000
Subject: test_io.rb: test for write

* test/ruby/test_io.rb (TestIO#test_write_32bit_boundary): add test
  for write part.  [ruby-core:55098] [Bug #8431]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io.rb | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

(limited to 'test/ruby/test_io.rb')

diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index ca741f8a23..30c482f4e6 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -2674,13 +2674,33 @@ End
   }, bug8080
   end
 
-  def test_seek_32bit_boundary
+  def test_read_32bit_boundary
     bug8431 = '[ruby-core:55098] [Bug #8431]'
     make_tempfile {|t|
-      assert_ruby_status(["-e", <<-"end;", t.path], "", bug8431)
-        f = ARGF.to_io
+      assert_separately(["-", bug8431, t.path], <<-"end;")
+        msg = ARGV.shift
+        f = open(ARGV[0], "rb")
         f.seek(0xffff_ffff)
-        f.read(1)
+        assert_nil(f.read(1), msg)
+      end;
+    }
+  end
+
+  def test_write_32bit_boundary
+    bug8431 = '[ruby-core:55098] [Bug #8431]'
+    make_tempfile {|t|
+      assert_separately(["-", bug8431, t.path], <<-"end;", timeout: 30)
+        msg = ARGV.shift
+        f = open(ARGV[0], "wb")
+        f.seek(0xffff_ffff)
+        begin
+          # this will consume very long time or fail by ENOSPC on a
+          # filesystem which sparse file is not supported
+          f.write('1')
+        rescue SystemCallError
+        else
+          assert_equal(0x1_0000_0000, f.tell, msg)
+        end
       end;
     }
   end
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